Answer:
The true statement is: Spontaneous reactions tend to lead to higher entropy.
Explanation:
The spontaneity of a reaction is linked to the value of Gibbs free energy (ΔG°). The more negative is this value, the more spontaneous is a reaction. At the same time, Gibbs free energy depends on enthalpy (ΔH°) and entropy (ΔS°), according to the following expression:
ΔG° = ΔH° - T.ΔS°
We can see that higher entropies (higher ΔS°) lead to more negative ΔG°, thus, more spontaneous reactions.
You need to use Avogadro's constant to convert from atoms of carbon to moles of carbon.
1.71*10^24 atoms C * (1 mole/6.022*10^23 atoms) = 2.84 moles of carbon
Answer:
The product will be propanoic acid .
Explanation:
Under the action of strong oxidizing agent that is potassium dichromate in an acidic medium primary oxidizes the primary alcohols into carboxylic acid .
So, when propanol is treated with potassium dichromate in an acidic medium it get converted into propanoic acid.
The solution of dextrose has a w/v% of 70 %. this means the mass of dextrose is 70 % of the volume of the solution.
In 100 mL of the solution - mass of dextrose is 70 g
therefore in 400 mL of the solution - mass of dextrose is - 70 /100 x 400 = 280 g
mass of dextrose is 280 g
Answer:
Explanation:
The message of the book is that perseverance is necessary for success. If we focus on our goals and learn from others, we will be rewarded in the end.
It's a reap what you sow kind of meaning as well in which perseverance is key for accomplishing our goals.
